Home / 26,725.53-36,851.04-19,989.57

Finding the Fourth Proportional to 26,725.53, 36,851.04 and 19,989.57

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Solution

The fourth proportional to 26,725.53, 36,851.04 and 19,989.57 is: 27,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.53 : 36,851.04 = 19,989.57 : x
  2. Step 2: Convert to fraction form
    26,725.53/36,851.04 = 19,989.57/x
  3. Step 3: Cross multiply
    26,725.53x = 36,851.04 × 19,989.57
  4. Step 4: Simplify right side
    26,725.53x = 736,636,443.65
  5. Step 5: Solve for x
    x = 736,636,443.65/26,725.53
  6. Step 6: Final answer
    x = 27,563.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.